package com.cn.ycy.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * 跨域问题
 */
@Configuration
public class CrossConfig {

  @Bean
  public CorsFilter corsFilter() {
    UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
    source.registerCorsConfiguration("/**", addCorsConfig());
    return new CorsFilter(source);
  }

  private CorsConfiguration addCorsConfig() {
    CorsConfiguration corsConfiguration = new CorsConfiguration();
    //请求常用的三种配置，*代表允许所有，当时你也可以自定义属性（比如header只能带什么，只能是post方式等等）
    corsConfiguration.addAllowedOrigin("*");
    corsConfiguration.addAllowedHeader("*");
    corsConfiguration.addAllowedMethod("*");
    //TODO
    corsConfiguration.setAllowCredentials(true);
    return corsConfiguration;
  }

}
